The quality of water supply in southern Beijing has been improving in recent years, an official said.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/recycled-water-flows-south-beijing
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/china-daily
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-quality
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/china
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-supply
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wastewater-recycling